Port-light screen and the like



Nov. 8, 1927. 1,648,445

T. M. CROWELL PORT LIGHT SCREEN AND THE LIKE Filed Jan. 1926 jib/1 1.9 I16, 1 :.-20

INVENTOR RNEY Patented Nov. 8, 19 2 7. a

v UNITED STA S PATENT OFFICE TRAGY in. GROWELL, or MIDDLETOWN',connncrrcoir, ASSIGNOR "ro wrLCoX, CRITTEN- DEN AND COMPANY,INCORPORATED, or MIDDLETOWN, CONNECTICUT, A. CORPORA- TION OFCONNECTICUT.

roar-LIGHT SCREEN'AND THE Linn. I

Application'fi led Il'annary '15, 1926. Serial No. M81391.

- This invention relates to a new and improved port light screen or thelike.

. It is theobject of this invention, among other things, to provide ascreen for a port light that may be quickly inserted in the port light,is readily removed therefrom, and held therein against displacement. Thedetails and arrangement of parts of my new and improved port lightscreen will be apparent from an inspection of the accompanying drawings,in connection with the description hereinafter contained, and whereinlike numerals of reference indicate like parts in the several figures.

In the drawings; 7 Figure 1 is a front with; 9 Figure 2 is a transversesectional view thereof with the parts in section being taken a generallyupon line 22 of Figure 1;

Figure 3 illustrates a modified form of the retaining ring; I r

Figure 4 is a fragmentary view of'a portion of the screen showing thefinger tab connected therewith; and

Figures 5 and 6 are fragmentary views of a port light and illustratingdifferent forms of my invention.

Referring now to the drawings; 10 indicates a port light having a.barrel portion 11 and to which is hinged the usual cover 12.

In the improved form of my invention, I

provide two grooves 13 and 14 in the bore of the barrel, the first oneto receive a stop ring 15 and the other a retaining ring 16, and betweenwhich is the screen 17 I This screen is constructed with the usual wiremesh and bound by a metal band 18, the

insertion or removal from the groove in the barrel.

For convenience in grasping the screen View of a port light. having myimproved screen connected there inside diameter of which is preferablyless when positioned in'the port light, I provide a finger tab 21,which, as shown in F igure2, isL-shape, with onearmunder the band 18 andheld in position thereby and the; other, arm projectingoutwar'dly beyondthe re taining ring thus providing convenient means'for securing a gripvupon the screen.

In Figure there is. illustrateda form of" retaining ring, wherein oneend is provided with a loop 22. Both ends ofthis ring, when positionedinthe' barrel, will be within the, groove and onlythe high portion ofthe loop will project/into the barrel." '1 r This type of retaining'ringis sprung outof position by the'insertion of a pointed tool in the loop22.

Instead of providing grooves 13 and 14 cases to make the bore of thebarrel-of two A diameters instead of one and thereby pro-H vide ashoulder '23 againstwhich the screen may be placed, as shown in Figure5, in stead of in the stop ring. It is entirely The corner of the anglerim en-r. gages the rounded wall of the ring and feasible also to haveonly a single groove in' i v thereby wedges itself in place with theother end of the angle rim in Contact with or adjacent to the bore ofthe barrel, as may seem desirable.

There are other modifications that may be made within this inventionthat will readily suggest themselves to one having knowledge of the art,and I would therefore have it understood that I do not limit myself tothe exact construction herein shown andde-f scribed, but claim all thatfalls fairlywithin the spirit and scope of the appended claims.

Having described my invention, what I claimas new and desire to a secureby Letters Patent, is:

1. In a device of the character described;

a port light having companion grooves in i the bore .of the barrel; aring'within each of the grooves; and a screen between the rings.

2.'In a device of the character'described; a port light having companiongroovesin the bore of the barrel; an elastic ring within each of thegrooves, one of the rings being formed so that a portion thereofprojects c 7c in the barrel, it may be desirable insome end in a loop;and a screen between the a wire mesh gauze encircled by a rim sub intothe barrel beyond the inner wall of the ring; and a screen between therings.

3. In a device of the charactendescribed; a port light having companiongrooves in the bore of the .barrelran elastic ring Within each of thegrooves one of the rings being formed of coiled Wire that terminates atone end in a portion that projects inwardly beyond the inside diameterofthe ring; and a screen between the rings.

4t. In a device of the -"cha'racterdescribed;

a port light having companion groovesin the bore of thebarrel; anelasticring Within each of the grooves; one ofthe rings being formedof'coiled Wire that terminates at one rings.

5. In a device of the character described; a port light having companiongrooves in the bore ofthe barrel; an elastic ring Within each of thegrooves, one of the rings being formed soas to project into the barrelbe yond the inner Wall ofthe ring; 'and'a screen between the ringsformed with a metal rim -aport light having companion grooves in thebore of the barrel; ran-elastic ri-nglwithin each of thegrooves,oneoftheringsbeing formed so that aportionthereof projects into thebarrel beyond the inner Wall oi the iring; a screen. between the rings;and a finger tab connected With the screen, having an arm Whichprojects-outwardly at an angle thereto.

7. Ina device of the'character described; a port light having anabutment in" the bore of the barrelyandascreen positioned againsttheabutment; said screen being formed With stantially U-shape-' in crosssection. and a fingertab secured in-position bythe rim and having an armwhich projects outwardly at an angle thereto. V

In testimony whereof, I have hereunto afiixcd'my signature.

TRACY oRo EL-L.

